Patent Assignment Assignee Details
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For pending or abandoned applications please consult USPTO staff.
Assignee Name :
ETHYL CORPORATION, A CORP. OF VIRGINIA
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Total Assignments:
4
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Assignment:
1
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Reel/Frame: | 004831/0105 | |
| Pages: | 1 |
| | Recorded: | 02/22/1988 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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06945286
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Correspondence name and address
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JOHN F. SIEBERTH
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ETHYL CORPORATION
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451 FLORIDA BOULEVARD
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BATON ROUGE, LA 70801
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Assignment:
2
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Reel/Frame: | 004984/0100 | |
| Pages: | 1 |
| | Recorded: | 12/05/1988 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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07075956
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Correspondence name and address
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JOHN F. SIEBERTH
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PATENT & TRADEMARK DIVISION
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ETHYL CORPORATION
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451 FLORIDA BLVD.
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BATON ROUGE, LA 70801
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Assignment:
3
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Reel/Frame: | 005597/0390 | |
| Pages: | 2 |
| | Recorded: | 02/08/1991 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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07255446
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Correspondence name and address
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MR. PHILIP M. PIPPENGER
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PATENT & TRADEMARK DIVISION
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ETHYL CORPORATION
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451 FLORIDA BOULEVARD
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BATON ROUGE, LOUISIANA 70801
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Assignment:
4
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Reel/Frame: | 005597/0388 | |
| Pages: | 2 |
| | Recorded: | 02/08/1991 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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07340510
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Correspondence name and address
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MR. PHILIP M. PIPPENGER
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PATENT & TRADEMARK DIVISION
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ETHYL CORP.
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451 FLORIDA BLVD.
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BATON ROUGE, LA 70801
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05/31/2024 11:36 AM
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